openhim-core/lib/middleware/pollingBypassAuthorisation.js

The OpenHIM core application that provides logging and routing of http requests

var Channel, Q, SDC, application, config, domain, logger, os, sdc, statsdServer;

Q = require("q");

Channel = require("../model/channels").Channel;

logger = require("winston");

config = require('../config/config');

statsdServer = config.get('statsd');

application = config.get('application');

SDC = require('statsd-client');

os = require('os');

domain = (os.hostname()) + "." + application.name + ".appMetrics";

sdc = new SDC(statsdServer);

exports.authoriseUser = function(ctx, done) {
  return Channel.findOne({
    _id: ctx.request.header['channel-id']
  }, function(err, channel) {
    ctx.authorisedChannel = channel;
    return done(null, channel);
  });
};


/*
 * Koa middleware for bypassing authorisation for polling
 */

exports.koaMiddleware = function*(next) {
  var authoriseUser, startTime;
  if (statsdServer.enabled) {
    startTime = new Date();
  }
  authoriseUser = Q.denodeify(exports.authoriseUser);
  (yield authoriseUser(this));
  if (statsdServer.enabled) {
    sdc.timing(domain + ".pollingBypassAuthorisationMiddleware", startTime);
  }
  return (yield next);
};

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